"Debugging the OS" sounds not just a little bit pretentious. Perhaps call it "troubleshooting" instead, because that's what's being done. That the problem was f

"Debugging the OS" sounds not just a little bit pretentious. Perhaps call it "troubleshooting" instead, because that's what's being done. That the problem was found in a driver doesn't make it any different from faulty shell script or a faulty hard disk.